<template>
  <el-upload
    class="avatar-uploader"
    action="https://jsonplaceholder.typicode.com/posts/"
    :show-file-list="false"
    :before-upload="beforeAvatarUpload"
    :http-request="uploadImage"
  >
    <!-- （自动上传） action是上传地址 这个项目不需要自动上传 不能删掉，设置为空即可-->
    <!-- show-file-list不展示列表 -->
    <img v-if="value" :src="value" class="avatar">
    <i v-else class="el-icon-plus avatar-uploader-icon" />
  </el-upload>
</template>

<script>
import COS from 'cos-js-sdk-v5'
export default {
  props: {
    value: {
      type: String,
      default: ''
    }
  },
  methods: {
    // 检查函数 判断文件类型和大小， return true（继续上传）/ false （停止上传）

    beforeAvatarUpload(file) {
      const imageArray = ['image/jpeg', 'image/png', 'image/bmp', 'image/gif']
      const isJPG = imageArray.includes(file.type)
      const isLt2M = file.size / 1024 / 1024 < 5

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG PNG GIF BPM 格式!')
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 5MB!')
      }
      return isJPG && isLt2M
    },
    // 选择图片上传
    uploadImage(params) {
      console.log(params.file)
      const cos = new COS({
        SecretId: 'AKIDWEpcPAoO0XyHSYebMBzgCc5UmtqkcM2q',
        SecretKey: 'vhOvIdopfLrDPZZP5bJD4qV3TjojcQ8p'
      })
      cos.putObject(
        {
          Bucket: 'hmhr-1317673651',
          Region: 'ap-beijing',
          Key: params.file.name,
          StorageClass: 'STANDARD',
          Body: params.file
        },
        (err, data) => {
          //   console.log(err, data);
          if (data.statusCode === 200 && data.Location) {
            console.log(data.Location)
            this.$emit('input', 'http://' + data.Location)
          } else {
            this.$message.error(err.message)
          }
        }
      )
    }
  }
}
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
